diff --git a/Intrinio_Excel_Addin.xlam b/Intrinio_Excel_Addin.xlam
index a175908..8fbd618 100644
Binary files a/Intrinio_Excel_Addin.xlam and b/Intrinio_Excel_Addin.xlam differ
diff --git a/lib/VBA-Dictionary/.gitattributes b/lib/VBA-Dictionary/.gitattributes
deleted file mode 100644
index 8e0f6e4..0000000
--- a/lib/VBA-Dictionary/.gitattributes
+++ /dev/null
@@ -1,16 +0,0 @@
-# CRLF -> LF by default, but not for modules or classes (especially classes)
-* text=auto
-*.bas text eol=crlf
-*.cls text eol=crlf
-
-# Standard to msysgit
-*.doc  diff=astextplain
-*.DOC  diff=astextplain
-*.docx diff=astextplain
-*.DOCX diff=astextplain
-*.dot  diff=astextplain
-*.DOT  diff=astextplain
-*.pdf  diff=astextplain
-*.PDF  diff=astextplain
-*.rtf  diff=astextplain
-*.RTF  diff=astextplain
diff --git a/lib/VBA-Dictionary/.gitignore b/lib/VBA-Dictionary/.gitignore
deleted file mode 100644
index 9f8ec10..0000000
--- a/lib/VBA-Dictionary/.gitignore
+++ /dev/null
@@ -1,6 +0,0 @@
-# Ignore temporary Excel files
-*/~$*
-
-# Ignore scratch work and other files
-_scratch
-.DS_Store
\ No newline at end of file
diff --git a/lib/VBA-Web/.gitattributes b/lib/VBA-Web/.gitattributes
deleted file mode 100644
index 7c37d1f..0000000
--- a/lib/VBA-Web/.gitattributes
+++ /dev/null
@@ -1,16 +0,0 @@
-# CRLF -> LF by default, but not for modules or classes (especially classes)
-* text=auto
-*.bas text eol=crlf
-*.cls text eol=crlf
-
-# Standard to msysgit
-*.doc	 diff=astextplain
-*.DOC	 diff=astextplain
-*.docx diff=astextplain
-*.DOCX diff=astextplain
-*.dot  diff=astextplain
-*.DOT  diff=astextplain
-*.pdf  diff=astextplain
-*.PDF	 diff=astextplain
-*.rtf	 diff=astextplain
-*.RTF	 diff=astextplain
diff --git a/lib/VBA-Web/.gitignore b/lib/VBA-Web/.gitignore
deleted file mode 100644
index 5a174a1..0000000
--- a/lib/VBA-Web/.gitignore
+++ /dev/null
@@ -1,17 +0,0 @@
-# node_modules should be installed with npm install
-specs/node_modules
-
-# Ignore temporary Excel files
-~$*
-*/~$*
-
-# Ignore credentials (don't check in sensitive data)
-credentials.txt
-
-# Ignore scratch work and other files
-_scratch
-.DS_Store
-
-# gh-pages files
-.sass-cache
-_site
\ No newline at end of file
diff --git a/lib/VBA-Web/CHANGELOG.md b/lib/VBA-Web/CHANGELOG.md
index 261e74a..f84dbd7 100644
--- a/lib/VBA-Web/CHANGELOG.md
+++ b/lib/VBA-Web/CHANGELOG.md
@@ -9,6 +9,8 @@
 - `UrlEncodingMode.PathUrlEncoding` uses "pchar" from [RFC 3986](https://tools.ietf.org/html/rfc3986) and is the default
 - Update VBA-JSON to v2.2.2
 - __4.1.1__ Adjust `CookieUrlEncoding` mode to match value encoding in RFC 6265 (rather than name encoding)
+- __4.1.2__ Compatibility with 64-bit Mac
+- __4.1.3__ Mac bugfix for % encoding
 
 # 4.0.0
 
diff --git a/lib/VBA-Web/README.md b/lib/VBA-Web/README.md
index 73dfdc4..bc338ea 100644
--- a/lib/VBA-Web/README.md
+++ b/lib/VBA-Web/README.md
@@ -6,7 +6,7 @@ VBA-Web (formerly Excel-REST) makes working with complex webservices and APIs ea
 Getting started
 ---------------
 
-- Download the [latest release (v4.1.2)](https://github.com/VBA-tools/VBA-Web/releases)
+- Download the [latest release (v4.1.3)](https://github.com/VBA-tools/VBA-Web/releases)
 - To install/upgrade in an existing file, use `VBA-Web - Installer.xlsm`
 - To start from scratch in Excel, `VBA-Web - Blank.xlsm` has everything setup and ready to go
 
diff --git a/lib/VBA-Web/VBA-Web - Blank.xlsm b/lib/VBA-Web/VBA-Web - Blank.xlsm
index d770598..40be881 100644
Binary files a/lib/VBA-Web/VBA-Web - Blank.xlsm and b/lib/VBA-Web/VBA-Web - Blank.xlsm differ
diff --git a/lib/VBA-Web/VBA-Web - Installer.xlsm b/lib/VBA-Web/VBA-Web - Installer.xlsm
index fc6eecb..fae71e8 100644
Binary files a/lib/VBA-Web/VBA-Web - Installer.xlsm and b/lib/VBA-Web/VBA-Web - Installer.xlsm differ
diff --git a/lib/VBA-Web/examples/VBA-Web - Example.xlsm b/lib/VBA-Web/examples/VBA-Web - Example.xlsm
index b2c199d..0876bd3 100644
Binary files a/lib/VBA-Web/examples/VBA-Web - Example.xlsm and b/lib/VBA-Web/examples/VBA-Web - Example.xlsm differ
diff --git a/lib/VBA-Web/specs/VBA-Web - Specs - Async.xlsm b/lib/VBA-Web/specs/VBA-Web - Specs - Async.xlsm
index 8d8dec1..b04528a 100644
Binary files a/lib/VBA-Web/specs/VBA-Web - Specs - Async.xlsm and b/lib/VBA-Web/specs/VBA-Web - Specs - Async.xlsm differ
diff --git a/lib/VBA-Web/specs/VBA-Web - Specs.xlsm b/lib/VBA-Web/specs/VBA-Web - Specs.xlsm
index c1ea04c..0a94c60 100644
Binary files a/lib/VBA-Web/specs/VBA-Web - Specs.xlsm and b/lib/VBA-Web/specs/VBA-Web - Specs.xlsm differ
diff --git a/lib/VBA-Web/src/IWebAuthenticator.cls b/lib/VBA-Web/src/IWebAuthenticator.cls
index d609790..4481046 100644
--- a/lib/VBA-Web/src/IWebAuthenticator.cls
+++ b/lib/VBA-Web/src/IWebAuthenticator.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' IWebAuthenticator v4.1.2
+' IWebAuthenticator v4.1.3
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' Interface for creating authenticators for rest client
diff --git a/lib/VBA-Web/src/WebAsyncWrapper.cls b/lib/VBA-Web/src/WebAsyncWrapper.cls
index 22bce7a..d5083e5 100644
--- a/lib/VBA-Web/src/WebAsyncWrapper.cls
+++ b/lib/VBA-Web/src/WebAsyncWrapper.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' WebAsyncWrapper v4.1.2
+' WebAsyncWrapper v4.1.3
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' Wrapper WebClient and WebRequest that enables callback-style async requests
diff --git a/lib/VBA-Web/src/WebClient.cls b/lib/VBA-Web/src/WebClient.cls
index 0385e67..b0288d0 100644
--- a/lib/VBA-Web/src/WebClient.cls
+++ b/lib/VBA-Web/src/WebClient.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' WebClient v4.1.2
+' WebClient v4.1.3
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' `WebClient` executes requests and handles response and is responsible for functionality shared between requests,
diff --git a/lib/VBA-Web/src/WebHelpers.bas b/lib/VBA-Web/src/WebHelpers.bas
index 67eb997..e8e45db 100644
--- a/lib/VBA-Web/src/WebHelpers.bas
+++ b/lib/VBA-Web/src/WebHelpers.bas
@@ -1,6 +1,6 @@
 Attribute VB_Name = "WebHelpers"
 ''
-' WebHelpers v4.1.2
+' WebHelpers v4.1.3
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' Contains general-purpose helpers that are used throughout VBA-Web. Includes:
@@ -281,7 +281,7 @@ Private Declare Function web_feof Lib "libc.dylib" Alias "feof" (ByVal web_File
 #End If
 #End If
 
-Public Const WebUserAgent As String = "VBA-Web v4.1.2 (https://github.com/VBA-tools/VBA-Web)"
+Public Const WebUserAgent As String = "VBA-Web v4.1.3 (https://github.com/VBA-tools/VBA-Web)"
 
 ' @internal
 Public Type ShellResult
@@ -1080,7 +1080,7 @@ End Function
 Public Function Base64Encode(Text As String) As String
 #If Mac Then
     Dim web_Command As String
-    web_Command = "printf " & PrepareTextForShell(Text) & " | openssl base64"
+    web_Command = "printf " & PrepareTextForPrintf(Text) & " | openssl base64"
     Base64Encode = ExecuteInShell(web_Command).Output
 #Else
     Dim web_Bytes() As Byte
@@ -1699,6 +1699,43 @@ Public Function PrepareTextForShell(ByVal web_Text As String) As String
     PrepareTextForShell = web_Text
 End Function
 
+''
+' Prepare text for using with printf command
+' - Wrap in "..."
+' - Replace ! with '!' (reserved in bash)
+' - Escape \, `, $, and "
+' - Replace % with %% (used as an argument marker in printf)
+'
+' @internal
+' @method PrepareTextForPrintf
+' @param {String} Text
+' @return {String}
+''
+Public Function PrepareTextForPrintf(ByVal web_Text As String) As String
+    ' Escape special characters (except for !)
+    web_Text = VBA.Replace(web_Text, "\", "\\")
+    web_Text = VBA.Replace(web_Text, "`", "\`")
+    web_Text = VBA.Replace(web_Text, "$", "\$")
+    web_Text = VBA.Replace(web_Text, "%", "%%")
+    web_Text = VBA.Replace(web_Text, """", "\""")
+
+    ' Wrap in quotes
+    web_Text = """" & web_Text & """"
+
+    ' Escape !
+    web_Text = VBA.Replace(web_Text, "!", """'!'""")
+
+    ' Guard for ! at beginning or end (""'!'"..." or "..."'!'"" -> '!'"..." or "..."'!')
+    If VBA.Left$(web_Text, 3) = """""'" Then
+        web_Text = VBA.Right$(web_Text, VBA.Len(web_Text) - 2)
+    End If
+    If VBA.Right$(web_Text, 3) = "'""""" Then
+        web_Text = VBA.Left$(web_Text, VBA.Len(web_Text) - 2)
+    End If
+
+    PrepareTextForPrintf = web_Text
+End Function
+
 ' ============================================= '
 ' 8. Cryptography
 ' ============================================= '
@@ -1724,7 +1761,7 @@ End Function
 Public Function HMACSHA1(Text As String, Secret As String, Optional Format As String = "Hex") As String
 #If Mac Then
     Dim web_Command As String
-    web_Command = "printf " & PrepareTextForShell(Text) & " | openssl dgst -sha1 -hmac " & PrepareTextForShell(Secret)
+    web_Command = "printf " & PrepareTextForPrintf(Text) & " | openssl dgst -sha1 -hmac " & PrepareTextForShell(Secret)
 
     If Format = "Base64" Then
         web_Command = web_Command & " -binary | openssl enc -base64"
@@ -1771,7 +1808,7 @@ End Function
 Public Function HMACSHA256(Text As String, Secret As String, Optional Format As String = "Hex") As String
 #If Mac Then
     Dim web_Command As String
-    web_Command = "printf " & PrepareTextForShell(Text) & " | openssl dgst -sha256 -hmac " & PrepareTextForShell(Secret)
+    web_Command = "printf " & PrepareTextForPrintf(Text) & " | openssl dgst -sha256 -hmac " & PrepareTextForShell(Secret)
 
     If Format = "Base64" Then
         web_Command = web_Command & " -binary | openssl enc -base64"
@@ -1820,7 +1857,7 @@ End Function
 Public Function MD5(Text As String, Optional Format As String = "Hex") As String
 #If Mac Then
     Dim web_Command As String
-    web_Command = "printf " & PrepareTextForShell(Text) & " | openssl dgst -md5"
+    web_Command = "printf " & PrepareTextForPrintf(Text) & " | openssl dgst -md5"
 
     If Format = "Base64" Then
         web_Command = web_Command & " -binary | openssl enc -base64"
diff --git a/lib/VBA-Web/src/WebRequest.cls b/lib/VBA-Web/src/WebRequest.cls
index 88b19bc..4a59542 100644
--- a/lib/VBA-Web/src/WebRequest.cls
+++ b/lib/VBA-Web/src/WebRequest.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' WebRequest v4.1.2
+' WebRequest v4.1.3
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' `WebRequest` is used to create detailed requests
diff --git a/lib/VBA-Web/src/WebResponse.cls b/lib/VBA-Web/src/WebResponse.cls
index c5c3e75..018b7dd 100644
--- a/lib/VBA-Web/src/WebResponse.cls
+++ b/lib/VBA-Web/src/WebResponse.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' WebResponse v4.1.2
+' WebResponse v4.1.3
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' Wrapper for http/cURL responses that includes parsed Data based on WebRequest.ResponseFormat.
diff --git a/src/Intrinio.bas b/src/Intrinio.bas
index 2f0eab6..8df3f05 100644
--- a/src/Intrinio.bas
+++ b/src/Intrinio.bas
@@ -29,7 +29,7 @@ Private UpdatePrompt As Boolean
 Private APICallsAtLimit As Boolean
 
 Public Const BaseUrl = "https://api.intrinio.com"
-Public Const Intrinio_Addin_Version = "2.8.0"
+Public Const Intrinio_Addin_Version = "2.8.1"
 
 Public Sub IntrinioInitialize()
 
@@ -462,7 +462,7 @@ Attribute IntrinioDataPoint.VB_ProcData.VB_Invoke_Func = " \n19"
     identifier = VBA.UCase(identifier)
     
     If identifier <> "" And LoginFailure = False Then
-        coFailure = InvalidIdentifier(identifier, item)
+        coFailure = InvalidIdentifier(identifier, Item)
     End If
 
     If identifier <> "" And LoginFailure = False And APICallsAtLimit = False And coFailure = False Then
@@ -1033,7 +1033,7 @@ Attribute IHD.VB_ProcData.VB_Invoke_Func = " \n19"
     ticker = VBA.UCase(ticker)
 
     If ticker <> "" And LoginFailure = False And APICallsAtLimit = False Then
-        coFailure = InvalidIdentifier(ticker, item)
+        coFailure = InvalidIdentifier(ticker, Item)
     End If
     
     If ticker <> "" And Item <> "" And LoginFailure = False And APICallsAtLimit = False And coFailure = False Then